1 files changed, 92 insertions, 0 deletions
diff --git a/indra/newview/llchatmsgbox.cpp b/indra/newview/llchatmsgbox.cpp
new file mode 100644
index 0000000000..024ccbcd0b
--- /dev/null
+++ b/indra/newview/llchatmsgbox.cpp
@@ -0,0 +1,92 @@
+/** 
+ * @file llchatmsgbox.cpp
+ * @author Martin Reddy
+ * @brief chat history text box, able to show array of strings with separator
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llchatmsgbox.h"
+#include "llwindow.h"
+
+
+static LLDefaultChildRegistry::Register<LLChatMsgBox> r("text_chat");
+
+class ChatSeparator : public LLTextSegment
+{
+public:
+	ChatSeparator(S32 start, S32 end)
+	:	LLTextSegment(start, end),
+		mEditor(NULL)
+	{}
+
+	/*virtual*/ void linkToDocument(class LLTextBase* editor)
+	{
+		mEditor = editor;
+	}
+
+	/*virtual*/ void unlinkFromDocument(class LLTextBase* editor)
+	{
+		mEditor = NULL;
+	}
+
+	/*virtual*/ S32 getWidth(S32 first_char, S32 num_chars) const
+	{
+		return mEditor->getDocumentView()->getRect().getWidth();
+	}
+
+	/*virtual*/ F32	draw(S32 start, S32 end, S32 selection_start, S32 selection_end, const LLRect& draw_rect)
+	{
+		gl_line_2d(draw_rect.mLeft + 5, draw_rect.getCenterY(), draw_rect.mRight - 5, draw_rect.getCenterY(), LLColor4::grey);
+		return draw_rect.getWidth();
+	}
+
+private:
+	LLTextBase* mEditor;
+};
+
+
+LLChatMsgBox::Params::Params() :
+	block_spacing("block_spacing", 10)
+{
+	line_spacing.pixels = 4;
+}
+
+LLChatMsgBox::LLChatMsgBox(const Params& p) :
+	LLTextBox(p),
+	mBlockSpacing(p.block_spacing)
+{}
+
+void LLChatMsgBox::addText( const LLStringExplicit& text , const LLStyle::Params& input_params )
+{
+	S32 length = getLength();
+	// if there is existing text, add a separator
+	if (length > 0)
+	{
+		// chat separator exists right before the null terminator
+		insertSegment(new ChatSeparator(length - 1, length - 1));
+	}
+	// prepend newline only if there is some existing text
+	appendText(text, length > 0, input_params);
+}